Belt sleeve



FIG. 1 is a top plan view of a belt sleeve showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an enlarged left end elevational view of the belt sleeve as shown in FIG. 2;

FIG. 4 is an enlarged right end elevational view of the belt sleeve as shown in FIG. 2;

FIG. 5 is a left side elevational view thereof with the right end closed; and,

FIG. 6 is a right side elevational view thereof with the right end open.

The broken lines are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a belt sleeve, as shown and described. 